private Dictionary <LineInfo, LineInfo> FindMatch(SubtitleInfo langSub, SubtitleInfo timingSub, int matchLinesToSearchForward, int matchMinimumLettersForMatch, double matchSimilarityThreshold)
{
Dictionary <LineInfo, LineInfo> matchedLangLines2timingLines = new Dictionary <LineInfo, LineInfo>();
int timingSrtPos = 0;
//start a bit after the beginning to skip unwanted chatter lines
for (int i = 0; i < langSub.Lines.Count(); ++i)
{
var sline = langSub.Lines[i];
int endSearch = Math.Min(timingSub.Lines.Count(), timingSrtPos + matchLinesToSearchForward);
for (int j = timingSrtPos; j < endSearch; ++j)
{
var tline = timingSub.Lines[j];
//if we have a match
if (tline.CalcIsWordMatch(sline, matchMinimumLettersForMatch, matchSimilarityThreshold))
{
if (!matchedLangLines2timingLines.ContainsKey(sline))
{
matchedLangLines2timingLines.Add(sline, tline);
}
timingSrtPos = j + 1;
}
}
}
return(matchedLangLines2timingLines);
}
public SrtParserTranslator(string translation)
{
SubtitleInfo inf = new SubtitleInfo(null);
inf.LoadSrtFileContent(translation);
_translation = inf.Lines.Select(l => l.Line).ToList();
}
public SubtitleInfo CloneSub()
{
SubtitleInfo clone = new SubtitleInfo(this._translator);
clone._language = this._language;
clone._listOfLines = new List <LineInfo>();
clone._listOfTimeMarkers = new List <TimeStamp>();
foreach (var ts in _listOfTimeMarkers)
{
TimeStamp tsn = new TimeStamp()
{
Correction = ts.Correction, Duration = ts.Duration, FromTime = ts.FromTime
};
foreach (var line in ts.Lines)
{
var nline = new LineInfo()
{
Line = line.Line, TimeStamp = tsn, TranslatedLine = line.TranslatedLine
};
tsn.Lines.Add(nline);
clone._listOfLines.Add(nline);
}
clone._listOfTimeMarkers.Add(tsn);
}
return(clone);
}
private SubtitleInfo xCreateFixedSubtitle(SubtitleInfo subtitle)
{
var resultSub = subtitle.CloneSub();
var correctionsByTimePos = new Dictionary <double, double>();
_points.ForEach(p => correctionsByTimePos.Add(p.X, p.Y));
//place all known corrections on the subtitle
resultSub.TimeMarkers.ForEach(t =>
{
if (correctionsByTimePos.ContainsKey((double)t.FromTime))
{
var correction = correctionsByTimePos[(double)t.FromTime];
t.Correction = (long)correction;
t.IsOffsetCorrected = true;
}
});
//spread correction to all timestamps (including the ones not attached)
long prevOffset = (long)_points[0].Y;
TimeStamp prev = null;
foreach (var time in resultSub.TimeMarkers)
{
if (!time.IsOffsetCorrected)
{
var next = subtitle.Lines.Where(p => p.TimeStamp.FromTime > time.FromTime).FirstOrDefault(x => x.TimeStamp.IsOffsetCorrected);
var currTime = time;
var prevTime = prev;
double newOffset = prevOffset;
if (prevTime != null && next != null)
{
var nextTime = next.TimeStamp;
//timeAfterPrev / timeInterval (=next-prev) = the precentage of movement in the X axis between the two points
double part = ((double)currTime.FromTime - (double)prevTime.FromTime) / ((double)nextTime.FromTime - (double)prevTime.FromTime);
//(change in corrections between prev -> next) * (calculated place between them =part) + (the base correction of prev =the stating point of this correction)
newOffset = (((double)nextTime.Correction - (double)prev.Correction) * part) + (double)prevTime.Correction;
}
time.IsOffsetCorrected = true;
time.Correction = (long)newOffset;
}
else
{
prevOffset = time.Correction;
prev = time;
}
//extend duration for all subs
time.Duration = (long)((double)time.Duration);
}
return(resultSub);
}
public SubtitleInfo CreateFixedSubtitle(SubtitleInfo subtitle)
{
var resultSub = subtitle.CloneSub();
foreach (var time in resultSub.TimeMarkers)
{
time.IsOffsetCorrected = true;
time.Correction = (long)ComputeYforXbyInterpolation(time.FromTime);
}
return(resultSub);
}
private void PrepareInputSubs(out SubtitleInfo langSub, out SubtitleInfo timingSub)
{
ITranslator translator;
string translationFileName = LanguageSrtFile + ".trans";
bool transFileExists = (File.Exists(translationFileName));
if (!string.IsNullOrWhiteSpace(_translationText) || transFileExists)
{
if (transFileExists)
{
_translationText = File.ReadAllText(translationFileName);
}
translator = new SrtParserTranslator(_translationText);
}
else
{
if (_bingTranslator == null && !string.IsNullOrWhiteSpace(MSSearchSecret))
{
_bingTranslator = new BingTranslator(MSSearchClientID, MSSearchSecret);
}
_bingTranslator.ClientSecret = MSSearchSecret;
_bingTranslator.ClientId = MSSearchClientID;
translator = _bingTranslator;
}
langSub = new SubtitleInfo(translator);
timingSub = new SubtitleInfo(translator);
langSub.LoadSrtFile(LanguageSrtFile, SelectedEncoding);
timingSub.LoadSrtFile(TimingSrtFile, Encoding.ASCII);
try
{
langSub.Translate();
TranslationText = langSub.GetTranslatedSrtString();
if (!transFileExists)
{
File.WriteAllText(LanguageSrtFile + ".trans", TranslationText);
}
}
catch (Exception ex)
{
MessageBox.Show("Translation error: " + ex.Message);
}
}
private Dictionary <LineInfo, LineInfo> FindBestMatch(SubtitleInfo langSub, SubtitleInfo timingSub, int matchLinesToSearchForward, int matchMinimumLettersForMatch, double matchSimilarityThreshold)
{
Dictionary <LineInfo, LineInfo> matchedLangLines2timingLines1 = FindMatch(langSub, timingSub, matchLinesToSearchForward, matchMinimumLettersForMatch, matchSimilarityThreshold);
Dictionary <LineInfo, LineInfo> matchedLangLines2timingLines2 = ReverseKeyVal(FindMatch(timingSub, langSub, matchLinesToSearchForward, matchMinimumLettersForMatch, matchSimilarityThreshold));
Dictionary <LineInfo, LineInfo> matchedLangLines2timingLines;
if (matchedLangLines2timingLines1.Count() > matchedLangLines2timingLines2.Count())
{
matchedLangLines2timingLines = matchedLangLines2timingLines1;
}
else
{
matchedLangLines2timingLines = matchedLangLines2timingLines2;
}
return(matchedLangLines2timingLines);
}